<script setup>
import {reactive, ref} from "vue";
import {Lock, Message, User} from "@element-plus/icons-vue";
import router from "@/router/main.js";
import {ElMessage} from "element-plus";
import {get,post} from "@/net/index.js";



const form = reactive({
  username:"",
  password: '',
  password_repeat: '',
  email: '',
  code: ''
})
const validateUsername = (rule, value, callback) => {
  if (!value) {
    callback(new Error("请输入用户名"));
  } else if (value.length < 4) {
    callback(new Error("用户名长度不能小于4"));
  } else {
    callback();
  }
}
const validatePassword = (rule, value, callback) => {
  if (value === '') {
    callback(new Error('请再次输入密码'))
  } else if (value !== form.password) {
    callback(new Error("两次输入的密码不一致"))
  } else {
    callback()
  }
}

const rules = {
  username: [
    {validator: validateUsername, trigger: ['blur', 'change']}
  ],
  password: [
    {required: true, message: '请输入密码', trigger: ['blur', 'change']},
    {min: 6, max: 16, message: '长度在 6 到 16 个字符', trigger: ['blur', 'change']}
  ],
  password_repeat: [
    {validator: validatePassword, trigger: ['blur', 'change']}

  ],

  email: [
    {required: true, message: '请输入邮箱地址', trigger: ['blur', 'change']},
    {type: 'email', message: '请输入正确的邮箱地址', trigger: ['blur', 'change']}
  ],
  code: [
    {required: true, message: '请输入验证码', trigger: ['blur', 'change']},
  ]
}
const formRef = ref()

let coldTime = ref(0);
const validateEmail = () => {
  if (coldTime.value > 0) return;

  // 验证邮箱字段
  formRef.value.validateField('email', (errorMessage) => {
    if (!errorMessage) {
      ElMessage.warning("请先填写邮箱");
    } else {
      // 如果邮箱验证通过，则发送验证码
      get(`/api/auth/ask_code?email=${form.email}&type=register`, () => {
        ElMessage.success("已经发送邮件到" + form.email + "请注意查收");
        coldTime.value = 60;
        const interval = setInterval(() => {
          coldTime.value--;
          if (coldTime.value <= 0) {
            clearInterval(interval);
          }
        }, 1000);
      }, (message) => {
        ElMessage.warning(message);
        coldTime = 0 ;
      });
    }
  });
}
function register() {
formRef.value.validate((isValid) => {
  if(isValid) {
    post("/api/auth/register",{...form},() =>{
      ElMessage.success("注册成功,欢迎加入我们")
      router.push("/")
    })
  }else {
    ElMessage.warning("请填写完整信息")
  }
});
}







</script>
<template>
  <div style="text-align: center;margin: 0 20px">
    <div style="margin-top:100px;">
      <div style="font-size: 25px;font-weight: bold">注册新用户</div>
      <div style="font-size: 14px;color: grey">欢迎注册我们的学习平台，请在下方填写相关信息</div>
    </div>
    <div style="margin-top: 50px">
      <el-form :model="form" :rules="rules"  ref="formRef">
        <el-form-item prop="username">
          <el-input v-model="form.username" :maxlength="8" type="text" placeholder="用户名">
            <template #prefix>
              <el-icon><User /></el-icon>
            </template>
          </el-input>
       </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="form.password" :maxlength="16" type="password" placeholder="密码">
            <template #prefix>
              <el-icon><Lock /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password_repeat">
          <el-input v-model="form.password_repeat" :maxlength="16" type="password" placeholder="重复密码">
            <template #prefix>
              <el-icon><Lock /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="email">
          <el-input v-model="form.email" type="email" placeholder="电子邮件地址">
            <template #prefix>
              <el-icon><Message /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="code">
          <el-row :gutter="10" style="width: 100%">
            <el-col :span="17">
              <el-input v-model="form.code" :maxlength="6" type="text" placeholder="请输入验证码">
                <template #prefix>
                  <el-icon><Lock /></el-icon>
                </template>
              </el-input>
            </el-col>
            <el-col :span="5">
              <el-button type="primary" @click="validateEmail"
                         :disabled="coldTime > 0">
                {{coldTime > 0 ? '请稍后 ' + coldTime + ' 秒' : '获取验证码'}}
              </el-button>
            </el-col>
          </el-row>
        </el-form-item>
      </el-form>
    </div>
    <div style="margin-top: 80px">
      <el-button style="width: 270px" type="primary" @click="register" plain>立即注册</el-button>
    </div>
    <div style="margin-top: 20px">
      <span style="font-size: 14px;line-height: 15px;color: grey">已有账号? </span>
      <el-link type="primary" style="translate: 0 -2px" @click="router.push('/')">立即登录</el-link>
    </div>
  </div>

</template>
<style scoped>

</style>
